[英]SQL Case Sensitive Group By
我有一个表有一个“AccountCode”列和其他列。 几个帐户代码相同但不同区分大小写。 例:
AccountCode OrderId
ABC O001
ABC O002
abc O003
DEF O004
我希望查询在AccountCode列上有一个组,并获得相应的计数。 预期的输出应该是这样的
ABC 2
abc 1
DEF 1
我尝试过使用COLLATE Latin1_General_CS_AS但无法获得所需的结果。
以下查询不提供区分大小写的输出
select accountCode COLLATE Latin1_General_CS_AS, count(OrderId)
from <<TableName>>
group by accountCode
也在GROUP BY子句上分配COLLATE
select accountCode COLLATE Latin1_General_CS_AS, count(OrderId)
from <<TableName>>
group by accountCode COLLATE Latin1_General_CS_AS
create table #a
(
AccountCode varchar(10) , OrderId varchar(10)
)
insert into #a values
('ABC','O001'),
('ABC','O002'),
('abc','O003'),
('DEF','O004')
select accountCode COLLATE Latin1_General_CS_AS, count(OrderId) from #a group by accountCode COLLATE Latin1_General_CS_AS
BEGIN TRAN CREATE TABLE #Temp(AccountCode VARCHAR(100),OrderId VARCHAR(100))
INSERT INTO #Temp(AccountCode,OrderId)SELECT'ABC','O001'UNION ALL SELECT'ABC','O002'UNION ALL SELECT'abc','O003'UNION ALL SELECT'DEF','O004'
SELECT AccountCode COLLATE Latin1_General_CS_AS,COUNT(OrderId)FROM #Temp GROUP BY accountCode COLLATE Latin1_General_CS_AS
ROLLBACK TRAN
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